#4D51CA#4D51CA

#4D51CA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.4% C 0.184 H 276.1°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4D51CA
RGB	rgb(77, 81, 202)
HSL	hsl(238, 54%, 55%)
HSV	hsv(238, 62%, 79%)
CMYK	cmyk(61.9%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(40.78, 35.10, -63.53)
CIE-LCH	lch(40.78, 72.58, 298.92°)
OKLab	oklab(50.36% 0.0196 -0.1828)
OKLCH	oklch(50.36% 0.184 276.1)
XYZ	xyz(16.6602, 11.7256, 57.2510)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D51CA #CAC64D

analogous

#4D90CA #4D51CA #884DCA

triadic

#4D51CA #CA4D51 #51CA4D

tetradic

#4D51CA #CA4D90 #CAC64D #4DCA88

square

#4D51CA #CA4D90 #CAC64D #4DCA88

split-complementary

#4D51CA #CA884D #90CA4D

monochromatic

#242779 #3236A8 #4D51CA #7C7FD8 #ABADE6

Accessibility & contrast

On white

6.28

#4D51CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4D51CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D51CA

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D51CA	#FFFFFF	#000000	##FFFFFF
##4D51CA	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#005BC8

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4d51ca;
/* rgb */ color: rgb(77, 81, 202);
/* oklch */ color: oklch(50.4% 0.184 276.1);

Tailwind

colors: {
  custom: {
    50: '#8c82db',
    500: '#4d51ca',
    950: '#000000',
  },
}

SCSS

$custom: #4d51ca;
$custom-light: #8c82db;
$custom-dark: #000000;

JSON

{
  "hex": "#4d51ca",
  "rgb": {
    "r": 77,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 238.08,
    "s": 54.113,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5036,
    "c": 0.18384,
    "h": 276.1
  },
  "luminance": 0.11727
}

Semantic roles & 50–950 ramp

primary

#4D51CA

secondary

#D4D29F

accent

#D94ADD

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4D51CA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →